Because they are a whole other cars from their regular normal counter-parts...

They have wider track (wider is better Pontiac commercial)
their suspension and dynamics are different, making them significantly Not the same as the non-Ms. So technically now you cannot have an M3/4 just by swapping engines...

Because they are a whole other cars from their regular normal counter-parts...

They have wider track (wider is better Pontiac commercial)
their suspension and dynamics are different, making them significantly Not the same as the non-Ms. So technically now you cannot have an M3/4 just by swapping engines...

Because they are a whole other cars from their regular normal counter-parts...

They have wider track (wider is better Pontiac commercial)
their suspension and dynamics are different, making them significantly Not the same as the non-Ms. So technically now you cannot have an M3/4 just by swapping engines...

Because they are a whole other cars from their regular normal counter-parts...

They have wider track (wider is better Pontiac commercial)
their suspension and dynamics are different, making them significantly Not the same as the non-Ms. So technically now you cannot have an M3/4 just by swapping engines...